Processes Hanging

[Marc G. Fournier]

What does ps axul show, specifically for the WCHAN column on those
processes?


On Fri, 12 Sep 2003, William L Stube II wrote:

> I am having a problem with processes hanging up after some amount of
> time.  The machine starts up, runs fine for some length of time, then
> httpd processes start hanging around.  All of which appear to be waiting
> for disk.
>
> www      12484  0.0  0.7  3948 2620  ??  D     3:43AM   0:00.02
> /usr/local/sbin/httpd
> www      12574  0.0  0.7  3936 2552  ??  D     4:17AM   0:00.01
> /usr/local/sbin/httpd
> www      12576  0.0  0.7  3936 2552  ??  D     4:18AM   0:00.01
> /usr/local/sbin/httpd
> www      12577  0.0  0.7  3936 2552  ??  D     4:18AM   0:00.01
> /usr/local/sbin/httpd
> www      12578  0.0  0.8  4108 2960  ??  D     4:18AM   0:00.03
> /usr/local/sbin/httpd
>
> This time, the processes hung after about 3 days since my last hard
> reset.  The time before that it was about 18 days.  When I attempt to
> reboot the machine just sits there.  I have to power the machine off for
>   it to actually restart.
>
> Any suggestions?
>
> Thanks,
>
> Bill
>
> FreeBSD foo.org 4.8-STABLE FreeBSD 4.8-STABLE #0: Thu Aug  7 09:21:32
> CDT 2003     root at foo.org:/usr/obj/usr/src/sys/molpe48s  i386
>
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